蒸汽压
<0.1 hPa ( 20 °C)
质量水平
检测方案
≥99% (acidimetric)
形式
powder
效能
708 mg/kg LD50, oral (Rat)
1560 mg/kg LD50, skin (Rabbit)
pH值(酸碱度)
1.3 (20 °C, 100 g/L in H2O)
mp
130-135 °C (lit.)
溶解性
478.8 g/L
密度
1.59 g/mL at 25 °C (lit.)
堆积密度
750‑800 kg/m3
储存温度
2-30°C
SMILES字符串
OC(=O)\C=C/C(O)=O
InChI
1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-
InChI key
VZCYOOQTPOCHFL-UPHRSURJSA-N
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相关类别
应用
- Food industry metabolomics: Maleic acid is identified as a key metabolite in the profiling of jelly fungi, aiding in the determination of biomarkers for different flesh colors, which is vital for quality assessment in the food industry (Ye et al., 2024).
- Chromatography device innovation: Maleic acid contributes to the design and characterization of an electrochemically-modulated membrane chromatography device, enhancing the precision and functionality of separation technologies in analytical chemistry (Röcker et al., 2024).
分析说明
含量测定(HPLC,面积%): ≥ 99.0 %(a/a)
熔程(下限值): ≥ 130 °C
熔程(上限值): ≤ 135 °C
含量测定(酸量法): ≥ 99.0 %
鉴别(IR):符合检验
熔程(下限值): ≥ 130 °C
熔程(上限值): ≤ 135 °C
含量测定(酸量法): ≥ 99.0 %
鉴别(IR):符合检验
警示用语:
Danger
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3
靶器官
Respiratory system
WGK
WGK 1
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